Corner mount



Dec. 9, 1941. J, R, ONDON 2,265,147

CORNER MOUNT Filed June 7, 1939 132128223223 Jofiiwfl. 60 251082} by 2/ 1 Patented Dec. 9, 1941 UNITED STATES F ICE 7 2,265,147 r ooRNEnMoUNT *J'dhnRl Condon, Reading, Mass.

"ApplicationJune 7, 1939,':Serial:l Io. 2!77;83'1 7 Claims. (onto-1 58) This invention relates to corner mounts for supporting pictures and the like in books and albums, and to a' novel method of making the mounts. Such mounts have been :knownand used for many years and the primary object of my invention is the production of :a new and improved mount for this purpose and of a novel method of making the same more efliciently and economically.

My improved mount is made frm= a relatively narrow paper strip preferably gummed on both sides and, inaccordance with the invention, the strip is scored at uniformly spaced positions therealong to provide two foldlines thereacross at each such position, the area between-each two lines formingthe body portion of a mount. A substantially triangular facing cap is adhesively attached to each such area, the facing cap preferably being cut from a second strip and immediately applied to the body and forming, in combination with the body, an open pocket adapted to receive the corner of a picture to be supported. The first strip is there-.

after severed at positions leaving twov predetermined lengths of the strip attached to opposite sides of each body, these lengths being then folded backwardly onto the body along the scored lines to form a base for attaching the mount adhesively to its supported sheet in the album.

The scored lines are so arranged that the folded lengths or legs are parallel and directly adjacent to each other and afurther feature of the invention resides in applying a paper tie adhesively thereto, the ties preferably being cut from a third strip. and applied directly tothe two legs. The production of the novel method embodying these steps and the superior mount thus produced comprises further objects of the invention.

A furtherfeature of the invention residesin so cutting and perforating the cap layer of each mount that apoition thereof can be readily detached by the user whereby changing the mount froma wide margined type to a narrow margined type, the mounts and methods heretofore known requiring these two types to be made and sold independently.

These and otherfeatures of the invention will be best understood and appreciated from the folr lowing description of preferred embodiments thereof selected for purposes of illustration and shown in the accompanyingdrawing in which,

Fig.1 is a side elevation of the mechanism employed in making my improved mounts,

=--F ig. 2 is a plan' View showing such mechanism in operation on a-strip of :material,

Fig. 3 is afront elevation of one of th'e'forme'd mounts in folded condition,

Fig. 4 i's a side elevation of mechanism for applying 'a' tie a'dhesiv'ely' to each mount,

Fig. 5 is-a'plan view thereof, 7

Fig, 6 is a frontelevation' of a finished mount,

Fig. '7 illustrates a narrow marglned mount formed by detaching a -portion -of the cap from the m'o'unt' shown in Fig, 6,

Fig. 8 illustrates the detached portion of the p,

Fig. 9 isa sectionalyiew takenon line '99 of Fig. #6,?an'd Fig. l0 is"a bottom'plan View of a block supporting the male d'ies' shown in Fig. 1.

The =b'odypo1tion of my improved mount is made from a paper strip I l] 'ipreferably'gummed on both sides. The strip is fed by intermittent steps to adjacentdies 12 and I4 and to a cutting off die l5. superposed over the dielfl is a female die t8 and cooperating with the dies l2,-l4--l-8, and-15 are male dies 20, 21 and 22. In practice,- these dies :may be more closely spaced and may be mounted in a single block 24, Fig. 10 being to. bottom-plan view of such block with the dies- 2 0., 24 and 22 mounted therein.

The die '20 is provided with a 'V-sh-aped cutting edge 26, a N-shaped creasing edge 21, and 'a V-shaped perforating edge 28 between and parallel with the edges 26 and-21. The die I2 is constructed to cooperate with th die 20 to the end that (l) the edge 26 cuts out V-shaped portions of the strip at 30, (2) the edge 21 creases the stripalong t-wo scored fold lines '32 parallel with the edges ofthe notch -39, the'li-nes 32 converging toward and meeting-at-one-edge of the strip with approximately a 90 angle therebetween, and (3) the edge .28 perforates the strip along a V-shapedl-i-ne 33. Each such treated area of the strip is designated by-reference charactor- 34. M

'I! he die '2] is-provided with an unbroken cutting edge therearound including V-shaped cutting edges .35 and36 corresponding to theedges 2-6 and=21 of thedie 20, and the female die [8 has a die-opening 37! therethrough of a correspondingshape tofit such unbroken cutting edge. At :each upward movement of the dies-'20, 2| and 22, the strip is advanced the distance between adjacent areasSt-whereby such areas are consecutively located on the die It directly beneath theopening 31. A second-strip 38 of suitable paper or theglike is fed intermittently across the opening 31 in the die l8 and, upon each downward movement the die 2| cuts a, facing cap 39 from the strip 38 and carries it to the area 34. The die 2| is furthermore provided with a cutting edge 48 for cutting the cap along a V-shaped line 4| slightly forward of the perforations 33 and with any suitable embossing design which it is desired to impart to the face of the cap. The bottom face of the strip 38 is moistened, as by a moistening roller 42, whereby it adheres to the gummed area 34 when pressed into contact therewith, it being understood that the embossing of the cap and cutting thereof by the edge 40 are performed by pressure of the die 2| on the cap and against the die l4.

The dies 22 and I are so spaced adjacent areas 34 and these dies have. zig-zag cutting edges which form each cut end of the strip with one full middle tooth 44 and'two half teeth 45 at opposite sides thereof. The individual mount units thus formed are next folded along the creased lines 32, the, end portions 46 being folded backwardly onto the strip whereby forming the unit into a body and two attached legs. Such folding operation will be performed automatically by suitable mechanism.

The folded units, illustrated in Fig. 3, are next fed onto a die 48 beneath the opening 5|] in a female die 52. A strip 54 o-f suitable paper or the like is fed intermittently across the top face of the die 52 and over the opening 58, and a male die 56 operates thereon to cut a tie piece 58 from the strip and force it into adhesive contact with the mount. The bottom face of the strip 54 is moistened as it passes onto the die 52 and the mount is so located that the tie 58 bridges across the two legs 46 and ties them together, the two inner half teeth being thereupon combined so as to provide three full teeth between two outer half teeth 45.

The finished mount is illustrated in Fig. 6. The facing cap of this mount is relatively wide and corresponds to the wide margined corner mount heretofore known. If the user of the mount prefers a facing cap of the narrow margined type, he merely detaches the portion 68" along the perforated line 33 whereupon the mount becomes the narrow margined mount shown in Fig. 7. Particular attention is directed to the fact that the cutting of the cap along the line 4| slightly forward of the perforations 33 provides a clean edge on the facing cap (Fig. 7) void of any roughness which might result from removing the .portion 80 along the perforated line 33. My invention therefore provides a novel mount which serves the uses of both wide and narrow margined purposes for which independent mounts have heretofore been required.

It is noted that my improved mount provides a substantial body area for adhesively receiving the facing cap 39 whereby forming a strong body and a. full and deep pocket adapted freely to receive and accurately fit the corners of pictures to be mounted. When mounting a picture, a corner mount is first fitted to each corner thereof. Prior to placing each mount on the picture, the tips of the teeth 44 and 45 are moistened at their front faces, and these are pressed into holding contact with the rear face of the picture as each mount is accurately positioned thereon. The tip moistening is very conveniently performed by grasping the mount (Figs. 6 and 7) between thumb and finger and drawing the front faces of from the die 2| that they sever the strip midway between.

the tips of the teeth 44-45 over and in contact with a moistening surface. The picture, with the corner mounts thus attached, is then placed in the desired position in the album, the rear faces of the mounts being previously moistened, and the mounts are pressed into adhesive contact with the supporting sheet. The picture is thus positively and perfectly aligned since displacement of the mounts relative to the picture is prohibited. In case it is desired to change pictures after mounting, the relatively small adhesive attachment of the teeth 44 and to the corners of the picture can be broken and the picture removed from the corner mounts and another substituted therefor, the adhesive coating being suflicient to permit these substitutions repeatedly.

It will be apparent that the coating of adhesive on both faces of the strip I8 serves several important functions as follows: (1) the adhesive on the front face of the strip l0 adapts this face to receive the cap cut from the strip 38 merely upon the moistening of the strip 38 at 42, and (2) provides the adhesive on the rear face of the finished mount; (3) the adhesive on the rear face of the strip ||l provides the adhesive along the front face of the teeth 44 and 45 for temporarily attaching the mount to the picture, and (4) provides adhesive for the entire front face of the mount for permanently attaching the mount to the picture.

Mounts heretofore known have not been gummed on their front faces but have depended upon friction to hold the mounts properly placed on the corners of the pictures. This has resulted in very objectionable displacement of the mounts relative to the picture when mounting the combined mounts and picture on the supporting sheet of the album, whereby resulting in considerable misalignment of pictures relative to the corner mounts and relative to the album. The

application of adhesive to the front faces of my improved mounts, together with the teeth 44 and 45 across the edge portion opposite to the picture receiving corner, serves to provide positive and perfect mounting alignment of corners with pictures or like material. When it is desired to secure the pictures permanently or against removal, the entire front faces of the mount can be moistened and the picture pressed into contact therewith.

Having thus described my invention what I claim as new and desire to secure by Letters Patent is:

1. A paper corner mount comprising a body layer substantially in one plane and a substantially triangular pocket-forming layer in another plane and attached thereto along two converging edges of the mount, the pocket-forming layer being perforated along two lines parallel with said converging edges whereby a portion of the pocket-forming layer can be detached.

2. A corner mount comprising a strip of paper having the two end portions thereof folded backwardly onto the strip along two straight lines converging toward and meeting substantially at one edge of the strip with substantially a angle therebetween and forming a body and attached legs providing a pocket therebetween, a facing cap applied adhesively to the top face of said body and the cap being cut and the body being perforated respectively along two relatively spaced lines having their ends at the strip edge opposite to said angle wherebythe portion of the cap and body thus enclosed can be detached,

the said perforated line being slightly to the rear of the out line.

3. A corner mount comprising a strip of paper having the two end portions thereof folded backwardly onto the strip along two straight lines converging toward and meeting substantially at one edge of the strip whereby forming a body and attached legs providing a pocket therebetween, a facing cap applied adhesively to the top face of said body and the cap being cut and the body being perforated along lines parallel with said straight lines and extending from the strip edge opposite to the angle formed by the converging ends of said lines to an intersecting point within the body, the said perforated lines being slightly to the rear of the out lines.

4. A corner mount comprising a strip of paper having the two end portions thereof folded backwardly onto the strip along two straight lines converging toward and meeting substantially at one edge of the strip whereby forming a body and attached legs providing a pocket therebetween, 2. facing cap applied adhesively to the top face of said body, the cap and body being cut out to form a notch therein open at the strip edge opposite to the angle formed by the converging ends of said lines, and the cap being cut and the body being perforated along lines parallel with said straight lines and extending from the notched edge of the strip to an intersecting point within the body, the said perforated lines being slightly to the rear of the out lines.

5. A corner mount comprising a single paper strip folded onto itself along two straight lines extending thereacross and converging toward one edge of the strip with approximately a 90 angle therebetween and forming an open pocket between the two layers within said angle, the layer outside of the lines having a coating of adhesive on its rear face and the other layer being perforated along a line having its ends at the strip edge opposite to said angle whereby the portion of said other layer thus enclosed can be detached.

6. A corner mount comprising a strip of paper coated with an adhesive on both faces and having the two end portions thereof folded backwardly onto the strip solely along two straight lines converging toward and meeting substantially at one edge of the strip and forming a body and attached legs providing a pocket therebetween and having adhesive surfaces for attaching the legs to a picture and the mount to a supporting surface, the body being a continuous and single intermediate portion of said strip, one adhesive face of the strip providing an adhesive surface on the front face of the mount for adhesively receiving a facing cap and providing an adhesive surface on the rear face of the mount for adhesively applying the mount to a mounting surface, and the other adhesive face of the strip providing an adhesive surface on the front face of the mount for adhesively receiving and holding a picture thereto.

7. A corner mount comprising a single paper strip folded onto itself solely along two straight lines extending thereacross and converging toward one longitudinal edge of the strip with approximately a angle therebetween and forming two layers and an open picture receiving pocket therebetween and within said angle, a facing cap applied adhesively to the front face of the top layer over the pocket, the bottom layer comprising the two ends of the strip arranged in substantially parallel relation, means connected to one of the legs and in adhesive contact with the other leg for tying the two legs together, the extreme end portions of the legs located opposite to the picture receiving pocket being cut to form a plurality of teeth projecting therefrom in a direction away from the pocket and the tip portions of the teeth being adhesively gummed on their front faces to receive flatly and adhesively thereagainst a picture to a corner of which the mount is applied, and a coating of adhesive on the rear face of the mount.

JOHN R. CONDON. 

